Hoffman is a privately owned earth dam located in Cole, Missouri, with a primary purpose classified as "Other." Built in 1996 by the USDA NRCS, this dam stands at a height of 25 feet and has a hydraulic height of 23 feet.
Wind
Humidity
With a storage capacity of 69 acre-feet, Hoffman serves a normal storage capacity of 30 acre-feet, covering a surface area of 2 acres and draining an area of 38.4 square miles.
The dam features an uncontrolled spillway with a width of 20 feet and presents a low hazard potential with a moderate risk assessment rating of 3. Although its condition assessment is listed as "Not Rated," Hoffman's risk management measures are currently unspecified. While the dam has not been inspected recently, it is subject to a regular inspection frequency of once per year. With no official emergency action plan in place, the dam's emergency response preparedness and adherence to guidelines are currently undisclosed.
For water resource and climate enthusiasts, Hoffman presents an intriguing case study in private dam ownership and management. Its unique design and purpose, combined with its location in the St. Louis District of Missouri, offer valuable insights into the complexities of dam infrastructure and risk assessment. As Hoffman continues to serve its designated functions, there remains the potential for further study and evaluation of its operational and safety protocols to ensure the protection of both the dam and the surrounding environment.
Year Completed |
1996 |
Dam Length |
375 |
Dam Height |
25 |
Primary Dam Type |
Earth |
Surface Area |
2 |
Hydraulic Height |
23 |
Drainage Area |
38.4 |
Nid Storage |
69 |
Structural Height |
31 |
Outlet Gates |
None |
Hazard Potential |
Low |
Foundations |
Rock, Soil |
Nid Height |
31 |
Moreau River Near Jefferson City
|
87cfs |
Missouri River At Jefferson City
|
35400cfs |
Osage River Below St. Thomas
|
1260cfs |
Maries River At Westphalia
|
19cfs |
Gasconade River Near Rich Fountain
|
1010cfs |
Hinkson Creek At Columbia
|
3cfs |